The 2008 CIA World Factbook

by United States. Central Intelligence Agency

Sierra Leone
7% (2007 est.)

Singapore
7.7% (2007 est.)

Slovakia
10.4% (2007 est.)

Slovenia
6.1% (2007 est.)

Solomon Islands
5.4% (2007 est.)

Somalia
2.6% (2007 est.)

South Africa
5.1% (2007 est.)

Spain
3.8% (2007 est.)

Sri Lanka
6.8% (2007 est.)

Sudan
10.2% (2007 est.)